Prema Kavitha, D. Dorathy, and L. Francis Raj. “Difference Equations and Gaussian Distribution for the Digital Signal’s Noise Reduction”. Science & Technology Asia 26, no. 4 (December 30, 2021): 153–158. Accessed March 29, 2024. https://ph02.tci-thaijo.org/index.php/SciTechAsia/article/view/245891.